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A172634 as a simple table

n a(n)
0 1
1 1
2 7
3 31
4 175
5 991
6 5881
7 35617
8 219871
9 1376095
10 8710537
11 55644337
12 358198369
13 2320792657
14 15120204295
15 98984058271
16 650725327231
17 4293779332927
18 28425752310361
19 188739799967425
20 1256510215733185
21 8385127334900305
22 56078904057164215
23 375796823748323215

[1,1,7,31,175,991,5881,35617,219871,1376095,
 8710537,55644337,358198369,2320792657,15120204295,
 98984058271,650725327231,4293779332927,
 28425752310361,188739799967425,1256510215733185,
 8385127334900305,56078904057164215,
 375796823748323215]

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Last modified May 11 06:07 EDT 2024. Contains 372388 sequences. (Running on oeis4.)